The perfect stapler for heavy duty stapling jobs. Staples up to 130 sheets. Antimicrobial finish prevents the growth of bacteria on the surface of the stapler. Durable all metal construction. AntiJam mechanism virtually eliminates staple jams. Adjustable paper stop with standard and metric measurements, gives stapler up to a 2 3/8-inch throat depth. Rear loading. Takes SB35141M, SB35381M, SB35121M, SB35581M Bostitch Staples. Black. Manufacturer"s 7-year warranty.